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The Mahle OE plain piston ring set is a second-ring replacement sized 4.035 in x 1.0 mm with a .136 in radial width, offered as a single plain ring set for engine service. Manufactured to Mahle OE standards using Napier steel construction, this ring is intended for cylinder sealing and consistent fit during engine rebuilding or repair, supporting reliable piston-to-cylinder contact and wear control.
Mahle Rings Performance Napier Steel 2nd Ring 4.035in x 1.0MM .136in RW Plain Ring Set
